Algebra

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Across
  1. 2. grouping doesn't matter with addition & multiplication
  2. 3. Numbers in a matrix
  3. 4. The meaning of the A in PEMDAS
  4. 6. Value equals itself -6 = -6
  5. 7. Order on either side of the equal sign doesn't matter
  6. 12. Keeps the value of a number
  7. 14. Identifies the matrix by the # of rows & columns
  8. 15. Order doesn't matter with addition & multiplication
  9. 21. If a=b and b=c, then a=c
  10. 22. PEMDAS
Down
  1. 1. Distance from zero on a number line
  2. 5. Using opposites to "cancel"
  3. 8. The meaning of the M in PEMDAS
  4. 9. Vertical elements (top to bottom)
  5. 10. The meaning of the E in PEMDAS
  6. 11. The meaning of the S in PEMDAS
  7. 13. Multiplying a value to an expression in parenthesis
  8. 16. Rectangular array of data in rows and columns
  9. 17. The meaning of the D in PEMDAS
  10. 18. Horizontal elements (left to right)
  11. 19. Multiplying by zero equals zero
  12. 20. The meaning of the P in PEMDAS